Development and Configuration Tasks (Dual-Stack) 
This section describes the end-to-end procedure for setting up and running a scenario based on SAP NetWeaver PI, dual-stack installation option.
Note
There are different installation options of SAP NetWeaver PI, each of them implying a slightly different approach.
More information: Installation Options
Procedure
According to the chosen use case, select either of the following sections:
Setting up Scenarios Using Dual-Stack Message Processing
Choose this section if you use the dual-stack installation option and like to process messages using both runtime engines, the Integration Engine and the Advanced Adapter Engine (AAE).
Setting up Scenarios Using Local AAE-Based Message Processing
Choose this section if you use the dual-stack installation option and like to process messages using the AAE only (bypassing the Integration Engine).
Note
The sections referred to above cover the basic end-to-end procedures. For more information on how to set up specific use cases like, for example, scenarios including cross-component Business Process Management, how to develop mappings, and B2B scenarios, see the corresponding section under Advanced Development Tasks (Dual-Stack).
Note
The general procedure is structured according to the phases design time, configuration time and runtime.
More information: Phases of an Integration Project